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1- Chemistry: Periodic Trends Flashcards | StudBud
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1- Chemistry: Periodic Trends
1- Chemistry: Periodic Trends
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#Chemistry #grade9 #grade10 #grade11 This Quiz covers #PeriodicTrends
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Questions
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Answers
1
How did Dimitri Mendeleev contribute to the formation of the periodic table?
He arranged the elements in order based on their electrons
He arranged the elements in order based on their protons
He arranged the elements in order based on their neutrons
He arranged the elements in order based on their properties
2
Which type of ion typically has a larger atomic radius than the neutral atom?
Cation
Anion
3
Which of the following would have the smallest atomic radius?
Sc
Se2-
K+
Ca2+
4
Which element has the smallest atomic radius?
Francium
Lithium
Radon
Fluorine
5
Which subatomic particle plays the greatest role in determining an atom’s chemical properties?
Neutron
Proton
Electron
6
Potassium and Calcium have different chemical properties and are in different families because-
One gram of Potassium is heavier than one gram of Calcium
K and Ca lose different numbers of electrons when reacting
Potassium is a metal while Calcium is a nonmetal
(K) and (Ca) are members of the same group
7
Who is the best Chemistry teacher of all time?
Flores
Barlow
Minchew
Sei
8
Which elements in group 14 would have similar properties of both metals and nonmetals?
O & Mg
C & Sn
Si & Ge
Sn & Pb
9
Which of these elements is found in the same family as this electron configuration:
[Ne]3s
2
3p
3
Si
Al
Sr
Sb
10
Which properties describe elements P, Q, R, and S?
dull, brittle and non-conductive to electricity
nonreactive and gases
conduction of electricity under certain conditions
shiny, malleable and good conductors of electricity
11
Which of the following atoms has the lowest electronegativity?
Oxygen
Neon
Lithium
12
How many valence electrons are an element with the following electron configuration:
[Ne]3s
1
1
2
4
8
13
Elements in group 17 are called the Halogen group. Which best describes this group?
highly reactive non-metals
highly reactive metals
poorly reactive non-metals
poorly reactive metals
14
Which of the following atoms would have the highest ionization energy?
Tin
Zinc
Francium
Chlorine
15
What periodic trend correctly describes what occurs as you go from left to right in Period 2?
increasing energy levels
decreasing atomic radii
decreasing ionization energy
increasing atomic radii
16
How is the arrangement of Mendeleev's periodic table different from Moseley's?
Mendeleev- increasing mass / Moseley- increasing electrons
Mendeleev-increasing mass/ Moseley-increasing atomic number.
Mendeleev- increasing atomic number/ Moseley-increasing mass
Mendeleev-increasing protons/ Moseley-increasing atomic mass
17
Which group of elements has the has the lowest ionization energies?
Halogens
Transition Metals
Alkali Metals
Alkaline-earth Metals
18
Atoms with small radii tend to have high ionization energies.
False
True
19
How does atomic size change as you move down a group on the periodic table?
stays the same
increases
decreases
20
Which of the following atoms would be most likely to lose an electron?
F
Li
Rb
At
21
As you move from left to right across the periodic table electronegativity _________.
decreases
increases
stays the same
